body {
	font-size: 12px;
}

.content{
	width: 980px;
	height: 1000px;
	margin: 0 auto;
	padding: 0px;
	background-color: red;
}

.left{
	width: 400px;
	height: 900px;
	background-color: blue;
	float: left;
}

.right{
	width: 400px;
	height: 900px;
	background-color: gray;
	float: right;
	background-image: url("../images/tree_img1.jpg");
	background-repeat: no-repeat;
}

div {
	width: 200px;
	height: 34px;
	margin: 0 auto;
/* 	border: solid 1px #d0d0d0; */
/* 	background-image: url("../images/tree_img1.jpg"); */
/* 	background-repeat: no-repeat; */
}

div ul{
	padding: 8px 20px;
	margin: 0px;
}

li {
	list-style-type: none;
/* 	border: solid 1px #d0d0d0; */
	float: left;
	margin: 0px;
	margin-left: 5px;
/* 	padding: 0 5px; */
	height: 12px;
	width: 45px;
}
/*div{ width:6px; height:14px; margin:1px; padding:0 5px; float:left; border:solid 1px #d0d0d0;}*/